Tempest PCB repair at CAX?

Jerware

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Donor 2011
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I have a Tempest that won't store high scores. I've replaced the EAROM but it still loses the top three scores after power cycle.

Is anyone available to take a look at this at CAX? Maybe we could find a Tempest owner there to test the fix? I could bring the board down Saturday morning and pick it up sometime on Sunday. Just a thought...

Baring that, anyone willing to come fix it in South San Francisco?

Thanks--
Jeremy
 
Have you checked the DIP switch settings in the manual and compared them to your board to make sure your not in Demo mode?
 
Is your voltage doubler working? You have -28 volts going to the chip?

Not sure about this one or how to test it. Still looking for someone to take a look at it locally in South San Francisco, at CAX or otherwise.
 
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